Biorhythm MCP Server by RoxyAPI for ChatGPT

com.roxyapi/biorhythm

Biorhythm cycles, forecasts, critical days and compatibility for AI agents, one API key.

client:ChatGPT transport:streamable-http tools:6

Install Biorhythm MCP Server by RoxyAPI in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://roxyapi.com/mcp/biorhythm

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs